Because high estrogen halts bone growth
they can cause a toxic effect or failure of therapy depending on the drug-nutrient combinations
Characteristics of Lancelets:
Small
Elongated
Marine invertebrate
Lacks a jaw
No sense organs
Has a notochord
Example: Lamprey
Characteristics of Tunicates:
Marine invertebrate
Has an outer coat that is rubbery or hard
Has two siphons
Examples: sea squirts, salps
I hope this is the answer that you were looking for.
The system of glands, tissues, and cells that helps control body functions by releasing hormones is the ENDOCRINE SYSTEM. It is a collection of different glands that produces the hormones needed in the body for different functions. Hope this helps. Have a nice day.
I think to get more oxygen for the lungs. Hope this helped.
